/* ============================================================
   Art Engine — orient-luxury design system
   Dark-luxury default theme with parchment light-mode toggle.
   Part of the CIO Factory shared visual language.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700&family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Syne:wght@500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  /* Dark (default) */
  --ol-bg: #09080b;
  --ol-bg-raised: #131015;
  --ol-bg-card: #16131a;
  --ol-border: rgba(201, 168, 76, 0.16);
  --ol-border-strong: rgba(201, 168, 76, 0.32);
  --ol-text: #ece7dd;
  --ol-text-dim: #a79f95;
  --ol-text-faint: #756f68;
  --ol-gold: #c9a84c;
  --ol-gold-soft: rgba(201, 168, 76, 0.14);
  --ol-gold-strong: #e8c876;
  --ol-shadow: 0 18px 48px rgba(0, 0, 0, 0.55);
  --ol-grain-opacity: 0.05;
  --ol-danger: #c96a4c;
  --ol-success: #7fae7a;
}

html[data-theme="light"] {
  --ol-bg: #f0ebe0;
  --ol-bg-raised: #fbf8f1;
  --ol-bg-card: #ffffff;
  --ol-border: rgba(138, 104, 32, 0.22);
  --ol-border-strong: rgba(138, 104, 32, 0.4);
  --ol-text: #2a2621;
  --ol-text-dim: #5f584c;
  --ol-text-faint: #8a8073;
  --ol-gold: #8a6820;
  --ol-gold-soft: rgba(138, 104, 32, 0.12);
  --ol-gold-strong: #6c5119;
  --ol-shadow: 0 12px 32px rgba(60, 50, 30, 0.14);
  --ol-grain-opacity: 0.035;
  --ol-danger: #a8452a;
  --ol-success: #4c7a48;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ol-bg);
  color: var(--ol-text);
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 18px;
  line-height: 1.5;
  transition: background 0.35s ease, color 0.35s ease;
}

body { position: relative; min-height: 100vh; }

/* grain texture overlay */
.ol-grain {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 999;
  pointer-events: none;
  opacity: var(--ol-grain-opacity);
  mix-blend-mode: soft-light;
}

a { color: var(--ol-gold); }

h1, h2, h3, .ol-display {
  font-family: 'Cinzel', serif;
  letter-spacing: 0.03em;
  font-weight: 600;
  color: var(--ol-text);
}

.ol-label, .ol-ui, button, input, select, label {
  font-family: 'Syne', sans-serif;
}

.ol-mono, .art-meta-value, .usage-numbers { font-family: 'IBM Plex Mono', monospace; }

/* ---------- App shell ---------- */
.ae-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px 120px;
  position: relative;
  z-index: 1;
}

.ae-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 16px;
  flex-wrap: wrap;
}

.ae-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.ae-title h1 {
  font-size: 30px;
  margin: 0;
}

.ae-title .ae-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  color: var(--ol-text-dim);
  font-size: 16px;
}

.app-like-trigger {
  display: inline-flex;
  align-items: center;
  align-self: center;
  gap: 6px;
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-border);
  border-radius: 20px;
  padding: 2px 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--ol-text-dim);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.app-like-trigger:hover:not(:disabled) {
  color: var(--ol-danger);
  border-color: var(--ol-danger);
  background: var(--ol-gold-soft);
  transform: scale(1.05);
}

.app-like-trigger.liked {
  color: var(--ol-gold-strong);
  border-color: var(--ol-gold-strong);
  background: var(--ol-gold-soft);
  cursor: not-allowed;
}

.app-like-trigger:disabled:not(.liked) {
  opacity: 0.6;
  cursor: not-allowed;
}

.ol-theme-toggle {
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-border);
  color: var(--ol-text);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.ol-theme-toggle:hover { border-color: var(--ol-border-strong); color: var(--ol-gold-strong); }

/* ---------- Tabs ---------- */
.ae-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--ol-border);
  margin-bottom: 28px;
}

.ae-tab {
  background: none;
  border: none;
  color: var(--ol-text-dim);
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 22px;
  cursor: pointer;
  position: relative;
  transition: color 0.2s ease;
}

.ae-tab:hover { color: var(--ol-text); }

.ae-tab.is-active { color: var(--ol-gold-strong); }

.ae-tab.is-active::after {
  content: '';
  position: absolute;
  left: 12px; right: 12px; bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ol-gold), transparent);
}

.ae-tab-count {
  display: inline-block;
  margin-left: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--ol-text-faint);
}

/* ---------- Search bar ---------- */
.ae-search {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.ae-search input[type="text"] {
  flex: 1 1 280px;
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-border);
  color: var(--ol-text);
  padding: 13px 16px;
  border-radius: 6px;
  font-size: 17px;
  font-family: 'Cormorant Garamond', serif;
}

.ae-search input[type="text"]:focus,
.ae-filters select:focus {
  outline: none;
  border-color: var(--ol-gold);
  box-shadow: 0 0 0 3px var(--ol-gold-soft);
}

.ae-search button.ae-search-btn {
  background: var(--ol-gold);
  border: 1px solid var(--ol-gold);
  color: #100d08;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 13px;
  padding: 0 26px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

.ae-search button.ae-search-btn:hover { background: var(--ol-gold-strong); }
.ae-search button.ae-search-btn:active { transform: translateY(1px); }

.ae-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.ae-filters select {
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-border);
  color: var(--ol-text-dim);
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 13px;
}

/* ---------- Results / cards ---------- */
.ae-results { display: flex; flex-direction: column; gap: 16px; }

.ae-status-line {
  color: var(--ol-text-faint);
  font-size: 14px;
  margin-bottom: 14px;
  min-height: 20px;
}

.ae-card {
  display: flex;
  background: var(--ol-bg-card);
  border: 1px solid var(--ol-border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--ol-shadow);
  transition: border-color 0.2s ease, transform 0.15s ease;
}

.ae-card:hover { border-color: var(--ol-border-strong); }

.ae-card-thumb {
  flex: 0 0 180px;
  background: #000;
  position: relative;
}

.ae-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 150px;
}

.ae-card-body {
  flex: 1;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  min-width: 0;
}

.ae-card-title {
  font-family: 'Cinzel', serif;
  font-size: 20px;
  color: var(--ol-text);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ae-card-meta {
  color: var(--ol-text-dim);
  font-size: 14px;
}

.ae-card-id {
  color: var(--ol-text-faint);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.03em;
}

.ae-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 22px;
  flex: 0 0 auto;
  border-left: 1px solid var(--ol-border);
  justify-content: center;
}

.ae-btn {
  border-radius: 6px;
  padding: 10px 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.ae-btn-outline {
  background: transparent;
  border: 1px solid var(--ol-border-strong);
  color: var(--ol-gold);
}

.ae-btn-outline:hover { background: var(--ol-gold-soft); }

.ae-btn-solid {
  background: var(--ol-gold);
  border: 1px solid var(--ol-gold);
  color: #100d08;
  font-weight: 600;
}

.ae-btn-solid:hover { background: var(--ol-gold-strong); }

.ae-btn-danger {
  background: transparent;
  border: 1px solid rgba(201, 106, 76, 0.4);
  color: var(--ol-danger);
}

.ae-btn-danger:hover { background: rgba(201, 106, 76, 0.12); }

/* ---------- Empty state ---------- */
.ae-empty {
  text-align: center;
  padding: 64px 20px;
  color: var(--ol-text-faint);
}

.ae-empty h3 { color: var(--ol-text-dim); margin-bottom: 8px; }

/* ---------- Modal ---------- */
.ae-modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(4, 3, 5, 0.72);
  z-index: 900;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.ae-modal-backdrop.is-open { display: flex; }

.ae-modal {
  background: var(--ol-bg-card);
  border: 1px solid var(--ol-border-strong);
  border-radius: 14px;
  max-width: 900px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--ol-shadow);
  display: flex;
  flex-direction: column;
}

@media (min-width: 720px) {
  .ae-modal { flex-direction: row; }
  .ae-modal-image { flex: 0 0 45%; }
  .ae-modal-body { flex: 1; }
}

.ae-modal-image {
  background: #000;
  min-height: 260px;
  position: relative;
}

.ae-modal-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ae-modal-body {
  padding: 30px 32px;
  position: relative;
  min-width: 0;
}

.ae-modal-close {
  position: absolute;
  top: 14px; right: 16px;
  background: none;
  border: none;
  color: var(--ol-text-dim);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}

.ae-modal-close:hover { color: var(--ol-gold); }

.ae-modal-title {
  font-size: 26px;
  margin: 0 12px 6px 0;
}

.ae-modal-dates {
  color: var(--ol-text-faint);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  margin-bottom: 16px;
}

.ae-modal-desc {
  color: var(--ol-text-dim);
  font-size: 17px;
  line-height: 1.65;
  white-space: pre-line;
}

.ae-modal-loading, .ae-modal-error {
  padding: 60px 32px;
  text-align: center;
  color: var(--ol-text-faint);
}

.ae-modal-actions {
  margin-top: 22px;
  display: flex;
  gap: 10px;
}

/* ---------- Toast ---------- */
.ae-toast {
  position: fixed;
  top: 26px;
  left: 50%;
  transform: translateX(-50%) translateY(-12px);
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-border-strong);
  color: var(--ol-text);
  padding: 13px 26px;
  border-radius: 999px;
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  letter-spacing: 0.02em;
  box-shadow: var(--ol-shadow);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.ae-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.ae-toast::before {
  content: '\2726';
  color: var(--ol-gold);
  margin-right: 8px;
}

/* ---------- Usage status bar ---------- */
.ae-usage {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--ol-bg-raised);
  border-top: 1px solid var(--ol-border);
  padding: 10px 24px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--ol-text-faint);
}

.ae-usage-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'Syne', sans-serif;
}

.ae-usage-bar {
  width: 160px;
  height: 6px;
  border-radius: 999px;
  background: var(--ol-border);
  overflow: hidden;
}

.ae-usage-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ol-gold), var(--ol-gold-strong));
  width: 0%;
  transition: width 0.4s ease;
}

.ae-usage-numbers { color: var(--ol-text-dim); }

.ae-usage.is-warning .ae-usage-bar-fill { background: linear-gradient(90deg, #c98a4c, #c96a4c); }
.ae-usage.is-critical .ae-usage-bar-fill { background: linear-gradient(90deg, var(--ol-danger), #8a3a24); }
.ae-usage.is-error .ae-usage-numbers { color: var(--ol-danger); }

/* ---------- Bookmarks ---------- */
.ae-card-actions .ae-bookmark-fill { color: var(--ol-gold); }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .ae-card { flex-direction: column; }
  .ae-card-thumb { flex: 0 0 180px; width: 100%; }
  .ae-card-actions { border-left: none; border-top: 1px solid var(--ol-border); flex-direction: row; }
  .ae-usage { justify-content: flex-start; }
}